ScienceRosetta approaches deep space comet with ‘dark, dusty crust’ Spacecraft takes a comet's temperature, finds it too warm to have a cover of pure ice. Dark dust believed to cover much of its surface, scientists say.by Jim Algar
ScienceEurope sends its last supply ship to space station, marks beginning of the endby Rebecca Kaplan
ScienceMysterious X-ray signal 240 million light years away may indicate dark matter presenceby Tina Shah
ScienceESA's Rosetta spots 800-mile long dust cloud of 67P/Churyumov-Gerasimenkoby Alexander Saltarin
SciencePair of supermassive black holes spotted in cosmic tango by European astronomersby Alexander Saltarin
ScienceESA launches Sentinel spacecraft from French Guinea, boosts Copernicus monitoring systemby James Maynard
ScienceComet-chaser Rosetta wakes up instruments, sends back images of icy and rocky 67P/Churumov-Gerasimenkoby Alexander Saltarin